Yuksporite Mineral Data
General Yuksporite Information
Chemical Formula:
(Sr,Ba)2K4(Ca,Na)14([ ],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n, n~3
Composition:
Molecular Weight = 2,546.97 gm
Potassium 6.14 % K 7.40 % K2 O
Barium 3.56 % Ba 3.97 % BaO
Sodium 4.36 % Na 5.88 % Na2 O
Strontium 4.78 % Sr 5.65 % SrO
Calcium 13.25 % Ca 18.54 % CaO
Titanium 5.88 % Ti 9.82 % TiO2
Manganese 0.37 % Mn 0.47 % MnO
Niobium 2.41 % Nb 3.44 % Nb2 O5
Iron 0.22 % Fe 0.28 % FeO
Silicon 19.85 % Si 42.46 % SiO2
Hydrogen 0.24 % H 2.12 % H2 O
Oxygen 38.95 % O
______ ______
100.00 % 100.04 % = TOTAL OXIDE
Empirical Formula:
Na4.83 K4 Ba0.66 Ca8.42 Sr1.39 Ti3.13 Nb0.66 Mn2+ 0.17 Fe2+ 0.1 Si18 O59 �3(H2 O)
Environment:
Alkalic syenite massifs.
IMA Status:
Valid Species (Pre-IMA) 1922
Locality:
Yukspor, Mt. Khibiny massif, Kola peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Name Pronunciation:
Yuksporite + Pronunciation
Yuksporite Image
Images:
Yuksporite Crystallography
Axial Ratios:
a:b:c =0.286:1:0.6853
Cell Dimensions:
a = 7.126, b = 24.913, c = 17.075, Z = 2; beta = 101.89° V = 2,966.29 Den(Calc)= 2.85
Crystal System:
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21 /m
X Ray Diffraction:
By Intensity(I/Io ): 2.8(1), 3(0.9), 3.1(0.9), 2.915(0.7), 6.22(0.55), 2.74(0.35), 3.19(0.35), 4.18(0.35),
Physical Properties of Yuksporite
Cleavage:
{???} Perfect
Color:
Brown pink, Pink.
Density:
3.05
Diaphaneity:
Semitransparent
Habit:
Concretionary - Rounded massive fine-grained materials.
Habit:
Nodular - Tuberose forms having irregular protuberances over the surface.
Hardness:
4.5-5 - Near Apatite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Yuksporite
Gladstone-Dale:
CI meas = 0.04 (Good) - where the CI = (1-KPDmeas /KC ) CI calc = -0.027 (Excellent) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2288,KPDmeas = 0.2138,KC = 0.2227 Ncalc = 1.63 - 1.68
Optical Data:
Biaxial (?), a=1.644, g=1.66, bire=0.0160, 2V(Meas)=46-76.
Pleochroism (x):
pale rose yellow.
Pleochroism (y):
rose yellow.
Pleochroism (z):
rose yellow.
Calculated Properties of Yuksporite
Electron Density:
Bulk Density (Electron Density)=2.78 gm/cc note: Specific Gravity of Yuksporite =2.85 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PEYuksporite = 27.50 barns/electronU=PEYuksporite x r electron = 76.57 barns/cc.
Radioactivity:
GRapi = 86.57 (Gamma Ray American Petroleum Institute Units)
Concentration of Yuksporite per GRapi unit = 1.16 (%)
Estimated Radioactivity from Yuksporite - barely detectable
Yuksporite Classification
Dana Class:
66.03.01.05 (66) Inosilicate Double-Width Unbranched Chains, W=2
(66.03) with chains P>2
(66.03.01) P=3
66.03.01.01 Xonotlite Ca6Si6O17(OH)2 P 2/a 2/m
66.03.01.02 Zorite Na6Ti5[Si12O34](O,OH)5•11(H2O) C mmm 2/m 2/m 2/m
66.03.01.03 Eudidymite NaBeSi3O7(OH) C 2/c 2/m
66.03.01.04 Epididymite NaBeSi3O7(OH) Pnam 2/m 2/m 2/m
66.03.01.05 Yuksporite (Sr,Ba)2K4(Ca,Na)14([],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n,n~3 P 21 /m 2/m
66.03.01.06 Haineaultite ! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O) C 222 2 2 2
66.03.01.07 Chivruaiite ! Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]•13-14H2O C mmm 2/m 2/m 2/m
Strunz Class:
09.DG.95 09 - SILICATES (Germanates)
09.D - Inosilicates* Structural terminology according to Liebau (1985)
09.DG -Inosilicates with 3-periodic single and multiple chains
09.DG.95 Yuksporite (Sr,Ba)2K4(Ca,Na)14([],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n,n~3 P 21 /m 2/m
Other Yuksporite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990, AmMin, 89:253 & 89:1561) OPTIC PROP.(Dana8)
See Also:
Links to other databases for Yuksporite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
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Yuksporite
(Sr,Ba)2K4(Ca,Na)14([ ],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n, n~3
Dana No: 66.03.01.05 Strunz No: 09.DG.95
Locality:
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